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Proceedings Papers

Proc. ASME. OMAE2021, Volume 2: Structures, Safety, and Reliability, V002T02A040, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-61972
..., seriously affecting the safe operation of submarine pipelines. The study of failure and limit load capacity of submarine pipelines under external pressure and bending moment is of great significance. In this paper, the nonlinear finite element method is used to study the collapse failure and local buckling...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 4: Pipelines, Risers, and Subsea Systems, V004T04A031, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-64867
... and can wrinkle and collapse under severe 0.2% offset yield stress loading. As typical damage of the pipeline, the local dent of the Poisson's ratio lined pipe involves the deformation of both the carrier pipe and density the liner, which poses a severe threat to the integrity of the circumference...
Topics: Collapse, Pipes
Proceedings Papers

Proc. ASME. OMAE2020, Volume 4: Pipelines, Risers, and Subsea Systems, V004T04A034, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18344
...EFFECT OF INCLUDING THE BAUSCHINGER PHENOMENON IN THE FORMULA FOR COLLAPSE PRESSURE OF THIN-WALLED PIPES Alastair Walker Ruud Selker Ping Liu Advanced Mech. and Eng. Pty. Ltd INTECSEA INTECSEA Perth, Australia Delft, The Netherlands Delft, The Netherlands Erich Jurdik South Stream Transport B.V...
Proceedings Papers

Proc. ASME. OMAE2013, Volume 5: Ocean Engineering, V005T06A054, June 9–14, 2013
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2013-10742
... has also been exceeded without whipping. The ultimate collapse strength has been assessed and compared to the measured dynamic loading and allowable still water loading. When whipping is assumed fully effective to contribute to collapse, the safety margin is still above 1.0, but on the borderline...
Proceedings Papers

Proc. ASME. OMAE2011, Volume 4: Pipeline and Riser Technology, 513-524, June 19–24, 2011
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2011-49570
... Pipelines Collapse UOE fabrication factor Whereas the wall thickness for most pipelines is governed by internal pressure, the wall thickness of pipelines at very deep waters may be governed by external pressure and the failure mode is collapse. This paper will firstly summarise the work...
Proceedings Papers

Proc. ASME. OMAE2010, 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 5, Parts A and B, 521-529, June 6–11, 2010
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2010-20423
... Flowline internal carcass crushing tests collapse numerical model analytical model The present paper brings together theoretical predictions and experimental results, comparing crushing tests results as well as carcass wet collapse tests. The theoretical models are of two kinds: (i...
Topics: Collapse
Proceedings Papers

Proc. ASME. OMAE2009, Volume 2: Structures, Safety and Reliability, 63-73, May 31–June 5, 2009
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2009-79076
... FPSO Collision damages Residual strength Ultimate capacity Collapse Post-collapse Finite element analysis Nonlinear Benchmark study Because of the larger sizes of modern service vessels, a collision between one of these units and a FPSO may cause severe damages which can threaten...
Proceedings Papers

Proc. ASME. OMAE2004, 23rd International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts A and B, 709-715, June 20–25, 2004
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2004-51405
... This paper presents analysis method and key results from dynamic simulations of a drilling riser on 1900 metres water depth after release of upper end. Key results are the geometry of the collapsed riser on the seafloor (footprint) and the impact speed of the riser when hitting the seafloor...
Proceedings Papers

Proc. ASME. OMAE2006, Volume 4: Terry Jones Pipeline Technology; Ocean Space Utilization; CFD and VIV Symposium, 245-252, June 4–9, 2006
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2006-92419
... propagation pressure is determined by the proposed method. Offshore Pipeline Local Buckling Collapse Buckle Propagation Inner Fluid Proceedings of OMAE2006 25th International Conference on Offshore Mechanics and Arctic Engineering June 4-9, 2006, Hamburg, Germany numerical results, obtained from...